DE102011014135A1 - Gas bag for occupant restraint system mounted in vehicle, has insert whose length is set corresponding to opposite outer wall portion of chamber in longitudinal direction - Google Patents
Gas bag for occupant restraint system mounted in vehicle, has insert whose length is set corresponding to opposite outer wall portion of chamber in longitudinal direction Download PDFInfo
- Publication number
- DE102011014135A1 DE102011014135A1 DE102011014135A DE102011014135A DE102011014135A1 DE 102011014135 A1 DE102011014135 A1 DE 102011014135A1 DE 102011014135 A DE102011014135 A DE 102011014135A DE 102011014135 A DE102011014135 A DE 102011014135A DE 102011014135 A1 DE102011014135 A1 DE 102011014135A1
- Authority
- DE
- Germany
- Prior art keywords
- gas bag
- insert
- wall
- chamber
- opposite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005192 partition Methods 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 230000005484 gravity Effects 0.000 claims description 3
- 210000003127 knee Anatomy 0.000 claims description 3
- 239000004744 fabric Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/205—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in dashboards
- B60R21/206—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in dashboards in the lower part of dashboards, e.g. for protecting the knees
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/233—Inflatable members characterised by their shape, construction or spatial configuration comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/2334—Expansion control features
- B60R21/2338—Tethers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R2021/23169—Inflatable members characterised by their shape, construction or spatial configuration specially adapted for knee protection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/233—Inflatable members characterised by their shape, construction or spatial configuration comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other
- B60R2021/23324—Inner walls crating separate compartments, e.g. communicating with vents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/2334—Expansion control features
- B60R21/2338—Tethers
- B60R2021/23382—Internal tether means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/235—Inflatable members characterised by their material
- B60R2021/23504—Inflatable members characterised by their material characterised by material
- B60R2021/23509—Fabric
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
Description
Die Erfindung betrifft einen Gassack eines Fahrzeuginsassen-Rückhaltesystems, mit mehreren nebeneinander angeordneten Kammern, die nach außen durch gegenüberliegende Außenwände und zueinander durch Trennwände abgegrenzt sind, wobei der Gassack im aufgeblasenen Zustand eine im Querschnitt insgesamt geknickte, längliche Form hat, sowie ein Verfahren zur Herstellung eines Gassacks für ein Fahrzeuginsassen-Rückhaltesystem.The invention relates to an airbag of a vehicle occupant restraint system, with a plurality of juxtaposed chambers, which are delimited to the outside by opposing outer walls and each other by partitions, wherein the gas bag in the inflated state has a total in cross-section kinked, elongated shape, and a method for manufacturing an airbag for a vehicle occupant restraint system.
Derartige Gassäcke sind aus dem Stand der Technik bekannt, wobei sich die geknickte, längliche Form des aufgeblasenen Gassacks beispielsweise um ein Bauteil des Fahrzeugs erstreckt.Such gas bags are known from the prior art, wherein the kinked, elongated shape of the inflated gas bag, for example, extends around a component of the vehicle.
Aufgabe der Erfindung ist es, einen Gassack sowie ein Herstellungsverfahren für einen Gassack zu schaffen, bei welchem eine geknickte Form auf einfache und vorteilhafte Weise ermöglicht wird.The object of the invention is to provide an airbag and a manufacturing method for a gas bag, in which a kinked shape is made possible in a simple and advantageous manner.
Erfindungsgemäß wird die Aufgabe durch einen gattungsgemäßen Gassack gelöst, wobei die Außenwand im Knickbereich einen Ausschnitt hat, der durch ein eingesetztes, im entfalteten Zustand gespanntes Einsatzstück geschlossen ist, das in Längsrichtung eine gegenüber dem gegenüberliegenden Außenwandabschnitt der Kammer im Knickbereich andere Länge hat, um den Knick zu erzeugen. Auf diese Weise kann der Knick des Gassacks erreicht werden, ohne dass zusätzliche Elemente, beispielsweise in Form von zusätzlichen Fangbändern, oder Raffnähte benötigt werden. Dies ermöglicht insbesondere auch eine gute und schnelle Entfaltung des Gassacks. Das Einsatzstück ist im aufgeblasenen Zustand des Gassacks raffnahtfrei.According to the invention the object is achieved by a generic airbag, wherein the outer wall has a cutout in the buckling area, which is closed by an inserted, stretched in the unfolded state insert, which has a length opposite the opposite outer wall portion of the chamber in the buckling other length to the Create kink. In this way, the kink of the gas bag can be achieved without additional elements, for example in the form of additional tethers, or Raffnähte be needed. This allows in particular a good and rapid deployment of the gas bag. The insert is raffnahtfrei in the inflated state of the gas bag.
Das Einsatzstück kann auf der Innen- oder Außenseite des Knicks vorgesehen sein.The insert may be provided on the inside or outside of the bend.
Vorzugsweise ist das Einsatzstück mit den Nähten, mit denen eine Trennwand an der Außenwand befestigt ist, ebenfalls an der Außenwand arretiert. Auf diese Weise können zusätzliche Nähte am Gassack vermieden werden.Preferably, the insert with the seams, with which a partition wall is attached to the outer wall, is also locked to the outer wall. In this way, additional seams on the gas bag can be avoided.
Die Außenwand, welche dem Einsatzstück gegenüberliegt, kann einstückig ausgebildet sein.The outer wall, which is opposite to the insert, may be integrally formed.
Um eine möglichst einheitliche Krümmung des Gassacks zu erreichen, erstreckt sich das Einsatzstück vorzugsweise über im Wesentlichen die gesamte Breite des Gassacks.In order to achieve the most uniform curvature of the gas bag, the insert preferably extends over substantially the entire width of the gas bag.
Es ist möglich, dass sich das Einsatzstück von einer Trennwand zur benachbarten Trennwand erstreckt. Auf diese Weise kann die Außenwand einer Kammer auf einer Seite des Gassacks vollständig durch das Einsatzstück ersetzt werden.It is possible that the insert extends from a partition to the adjacent partition. In this way, the outer wall of a chamber on one side of the gas bag can be completely replaced by the insert.
Um die Anzahl der separaten Gassackelemente bei der Herstellung des Gassacks zu verringern, kann das Einsatzstück ein einstückiger Fortsatz einer Trennwand sein.In order to reduce the number of separate gas bag elements in the manufacture of the gas bag, the insert may be a one-piece extension of a partition.
Beispielsweise ist das Einsatzstück ein Gewebe.For example, the insert is a fabric.
Es ist möglich, dass sich der Gassack von einem Befestigungsende aus bogenförmig erstreckt, vorzugsweise entgegen der Schwerkraftrichtung.It is possible that the gas bag extends arcuately from an attachment end, preferably counter to the direction of gravity.
Der Gassack kann matratzenförmig sein. Auf diese Weise deckt der Gassack eine große Fläche im Fahrzeug ab, während das Volumen des Gassacks relativ gering ist.The gas bag can be mattress-shaped. In this way, the gas bag covers a large area in the vehicle, while the volume of the gas bag is relatively low.
Vorzugsweise ist der Gassack ein Kniegassack, der aus oder unter der Armaturentafel austritt und sich vor diese legt.Preferably, the airbag is a knee airbag, which exits from or under the dashboard and lays in front of this.
Um eine schnelle und vorteilhafte Entfaltung des Gassacks zu ermöglichen, kann der Gassack komplett raffnahtfrei ausgebildet sein.In order to enable a rapid and advantageous deployment of the gas bag, the gas bag can be designed completely raffnahtfrei.
Die Aufgabe der Erfindung wird ferner durch ein erfindungsgemäßes Verfahren zur Herstellung eines Gassacks für ein Fahrzeuginsassen-Rückhaltesystem gelöst, mit den Verfahrensschritten des Bereitstellens eines im Querschnitt länglichen Gassacks mit einer Mehrzahl von in Längsrichtung nacheinander angeordneten Kammern, welche jeweils eine vorbestimmte Länge in einer Ausbreitungsrichtung im aufgeblasenen Zustand haben, des Vorsehens eines Ausschnitts in einer Außenwand und des Einsatzes eines Einsatzstückes mit einer Einsatzstücklänge in der Ausbreitungsrichtung, welche kürzer oder länger ist als die Länge des dem Ausschnitt gegenüberliegenden Außenwandabschnitts der Kammer.The object of the invention is further achieved by an inventive method for producing a gas bag for a vehicle occupant restraint system, comprising the steps of providing a cross-sectional elongated gas bag having a plurality of longitudinally successively arranged chambers, each having a predetermined length in a propagation direction in inflated state, the provision of a cutout in an outer wall and the use of an insert with an insert length in the propagation direction, which is shorter or longer than the length of the cutout opposite outer wall portion of the chamber.
Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung und aus den nachfolgenden Zeichnungen, auf die Bezug genommen wird. In den Zeichnungen zeigen:Further features and advantages of the invention will become apparent from the following description and from the following drawings, to which reference is made. In the drawings show:
Der Gassack
Der Gassack
In der gezeigten Ausführungsform ist der Gassack
Im Knickbereich hat die Außenwand
Der Gassack
Das Einsatzstück
Die Außenwand
Es ist auch möglich, dass sich ein Einsatzstück nicht über die gesamte Breite des Gassacks
In den ersten beiden Ausführungsformen ist das Einsatzstück jeweils als separates Gewebestück ausgebildet.In the first two embodiments, the insert piece is in each case designed as a separate piece of fabric.
Eine Naht
Es ist natürlich auch möglich, dass der Fortsatz der Trennwand
In den gezeigten Ausführungsformen ist der Übersichtlichkeit halber jeweils nur eine Kammer
Im Folgenden wird ein Herstellungsverfahren des Gassacks
Ein Ausschnitt
In einem folgenden Verfahrensschritt wird das Einsatzstück
Der Gassack
Claims (13)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011014135A DE102011014135A1 (en) | 2011-03-15 | 2011-03-15 | Gas bag for occupant restraint system mounted in vehicle, has insert whose length is set corresponding to opposite outer wall portion of chamber in longitudinal direction |
| US13/351,264 US8770617B2 (en) | 2011-03-15 | 2012-01-17 | Airbag and method of manufacturing an airbag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011014135A DE102011014135A1 (en) | 2011-03-15 | 2011-03-15 | Gas bag for occupant restraint system mounted in vehicle, has insert whose length is set corresponding to opposite outer wall portion of chamber in longitudinal direction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE102011014135A1 true DE102011014135A1 (en) | 2012-09-20 |
Family
ID=46756788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE102011014135A Pending DE102011014135A1 (en) | 2011-03-15 | 2011-03-15 | Gas bag for occupant restraint system mounted in vehicle, has insert whose length is set corresponding to opposite outer wall portion of chamber in longitudinal direction |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US8770617B2 (en) |
| DE (1) | DE102011014135A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013013979A1 (en) | 2013-08-23 | 2015-02-26 | Trw Automotive Gmbh | airbag |
| WO2015173116A1 (en) * | 2014-05-13 | 2015-11-19 | Autoliv Development Ab | Knee airbag, knee airbag module, and knee airbag module arrangement in a motor vehicle |
| WO2019042723A1 (en) * | 2017-09-04 | 2019-03-07 | Trw Automotive Gmbh | GAS BAG FOR A VEHICLE BASE RESTRAINT SYSTEM |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105339213B (en) * | 2013-02-28 | 2018-06-12 | Tk控股公司 | Two-chamber cell-type airbag |
| US9381885B2 (en) | 2013-03-01 | 2016-07-05 | Tk Holdings Inc. | Tether airbag control system |
| KR101614496B1 (en) * | 2013-04-08 | 2016-05-02 | 아우토리브 디벨롭먼트 아베 | Airbag for knee airbag apparatus |
| WO2014169130A1 (en) | 2013-04-10 | 2014-10-16 | Tk Holdings Inc. | Two-way valve for multi-chambered airbags |
| DE112015000442T5 (en) | 2014-01-21 | 2016-12-01 | Tk Holdings Inc. | Passenger side airbag |
| KR102204088B1 (en) * | 2014-04-23 | 2021-01-19 | 현대모비스 주식회사 | Cushion of curtain air bag device |
| KR102157025B1 (en) | 2014-04-29 | 2020-09-18 | 현대모비스 주식회사 | Cushion of curtain air bag device |
| JP6446908B2 (en) * | 2014-08-20 | 2019-01-09 | Joyson Safety Systems Japan株式会社 | Passenger leg restraining device |
| US9669788B2 (en) * | 2014-10-03 | 2017-06-06 | GM Global Technology Operations LLC | Knee airbag for motor vehicle |
| KR101627498B1 (en) | 2014-10-17 | 2016-06-07 | 현대모비스 주식회사 | Dual-air bag apparatus |
| DE102016001455A1 (en) * | 2016-02-09 | 2017-08-10 | Trw Automotive Gmbh | Knee airbag module |
| US9815429B2 (en) * | 2016-02-23 | 2017-11-14 | Autoliv Asp, Inc. | Adaptive vent for knee airbag |
| WO2018071483A1 (en) * | 2016-10-10 | 2018-04-19 | Key Safety Systems, Inc. | Curved airbag and method of manufacturing |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7604250B2 (en) * | 2005-05-18 | 2009-10-20 | Toyoda Gosei Co., Ltd. | Airbag device |
| US7393011B2 (en) * | 2006-02-24 | 2008-07-01 | Milliken & Company | Airbag with floating tethers |
| FR2900111B1 (en) * | 2006-04-24 | 2011-02-11 | Trw Automotive Gmbh | VEHICLE OCCUPANT RETENTION DEVICE WITH GAS CUSHION. |
| EP2042387B1 (en) * | 2007-09-27 | 2012-02-01 | Toyoda Gosei Co., Ltd. | Airbag for knee protection |
| JP4877280B2 (en) * | 2008-06-09 | 2012-02-15 | 豊田合成株式会社 | Knee protection airbag |
| DE102008060858B4 (en) * | 2008-12-09 | 2012-03-01 | Autoliv Development Ab | Knee airbag |
| JP5098998B2 (en) * | 2008-12-25 | 2012-12-12 | 豊田合成株式会社 | Airbag |
| US8272667B2 (en) * | 2009-11-03 | 2012-09-25 | Autoliv Asp, Inc. | Low-mount inflatable knee airbags having serial chambers |
| KR101181195B1 (en) * | 2010-07-09 | 2012-09-18 | 현대모비스 주식회사 | Knee airbag apparatus |
-
2011
- 2011-03-15 DE DE102011014135A patent/DE102011014135A1/en active Pending
-
2012
- 2012-01-17 US US13/351,264 patent/US8770617B2/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013013979A1 (en) | 2013-08-23 | 2015-02-26 | Trw Automotive Gmbh | airbag |
| WO2015024545A1 (en) | 2013-08-23 | 2015-02-26 | Trw Automotive Gmbh | Airbag |
| WO2015173116A1 (en) * | 2014-05-13 | 2015-11-19 | Autoliv Development Ab | Knee airbag, knee airbag module, and knee airbag module arrangement in a motor vehicle |
| WO2019042723A1 (en) * | 2017-09-04 | 2019-03-07 | Trw Automotive Gmbh | GAS BAG FOR A VEHICLE BASE RESTRAINT SYSTEM |
Also Published As
| Publication number | Publication date |
|---|---|
| US20130020787A1 (en) | 2013-01-24 |
| US8770617B2 (en) | 2014-07-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R012 | Request for examination validly filed | ||
| R081 | Change of applicant/patentee |
Owner name: ZF AUTOMOTIVE GERMANY GMBH, DE Free format text: FORMER OWNER: TRW AUTOMOTIVE GMBH, 73553 ALFDORF, DE |
|
| R016 | Response to examination communication |